787446228480 has 80 divisors (see below), whose sum is σ = 2517367186224. Its totient is φ = 209985658880.

The previous prime is 787446228427. The next prime is 787446228487. The reversal of 787446228480 is 84822644787.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×787446228480² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787446228487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51258351 + ... + 51273710.

Almost surely, 2^787446228480 is an apocalyptic number.

It is an amenable number.

787446228480 is an abundant number, since it is smaller than the sum of its proper divisors (1729920957744).

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

787446228480 is a wasteful number, since it uses less digits than its factorization.

787446228480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102532087 (or 102532071 counting only the distinct ones).

The product of its (nonzero) digits is 38535168, while the sum is 60.

The spelling of 787446228480 in words is "seven hundred eighty-seven billion, four hundred forty-six million, two hundred twenty-eight thousand, four hundred eighty".