845977950 has 72 divisors (see below), whose sum is σ = 2371709808. Its totient is φ = 215783040.

The previous prime is 845977949. The next prime is 845977961. The reversal of 845977950 is 59779548.

845977950 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30519 + ... + 51218.

It is an arithmetic number, because the mean of its divisors is an integer number (32940414).

Almost surely, 2^845977950 is an apocalyptic number.

845977950 is an abundant number, since it is smaller than the sum of its proper divisors (1525731858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845977950 is a wasteful number, since it uses less digits than its factorization.

845977950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81778 (or 81770 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The square root of 845977950 is about 29085.7000947201. The cubic root of 845977950 is about 945.7717723177.

It can be divided in two parts, 84597 and 7950, that multiplied together give a triangular number (672546150 = T₃₆₆₇₅).

The spelling of 845977950 in words is "eight hundred forty-five million, nine hundred seventy-seven thousand, nine hundred fifty".