78537048 has 16 divisors (see below), whose sum is σ = 196342680. Its totient is φ = 26179008.

The previous prime is 78537023. The next prime is 78537061. The reversal of 78537048 is 84073587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636165 + ... + 1636212.

Almost surely, 2^78537048 is an apocalyptic number.

It is an amenable number.

78537048 is an abundant number, since it is smaller than the sum of its proper divisors (117805632).

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

78537048 is a wasteful number, since it uses less digits than its factorization.

78537048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272386 (or 3272382 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 78537048 is about 8862.1130663065. The cubic root of 78537048 is about 428.2442342024.

The spelling of 78537048 in words is "seventy-eight million, five hundred thirty-seven thousand, forty-eight".