78410975 has 12 divisors (see below), whose sum is σ = 97724400. Its totient is φ = 62409600.

The previous prime is 78410963. The next prime is 78410977. The reversal of 78410975 is 57901487.

It is not a de Polignac number, because 78410975 - 2⁶ = 78410911 is a prime.

It is a super-2 number, since 2×78410975² = 12296562000901250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78410977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2906 + ... + 12855.

It is an arithmetic number, because the mean of its divisors is an integer number (8143700).

Almost surely, 2^78410975 is an apocalyptic number.

78410975 is a deficient number, since it is larger than the sum of its proper divisors (19313425).

78410975 is a wasteful number, since it uses less digits than its factorization.

78410975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15970 (or 15965 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 78410975 is about 8854.9971767359. The cubic root of 78410975 is about 428.0149625741.

The spelling of 78410975 in words is "seventy-eight million, four hundred ten thousand, nine hundred seventy-five".