78497610 has 32 divisors (see below), whose sum is σ = 189129600. Its totient is φ = 20851008.

The previous prime is 78497603. The next prime is 78497623. The reversal of 78497610 is 1679487.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916 + ... + 12864.

It is an arithmetic number, because the mean of its divisors is an integer number (5910300).

Almost surely, 2^78497610 is an apocalyptic number.

78497610 is an abundant number, since it is smaller than the sum of its proper divisors (110631990).

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

78497610 is a wasteful number, since it uses less digits than its factorization.

78497610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 78497610 is about 8859.8876968052. The cubic root of 78497610 is about 428.1725401237.

The spelling of 78497610 in words is "seventy-eight million, four hundred ninety-seven thousand, six hundred ten".