78874052 has 12 divisors (see below), whose sum is σ = 139084176. Its totient is φ = 39135720.

The previous prime is 78874049. The next prime is 78874057. The reversal of 78874052 is 25047887.

It is a super-2 number, since 2×78874052² = 12442232157797408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78874057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74738 + ... + 75785.

It is an arithmetic number, because the mean of its divisors is an integer number (11590348).

Almost surely, 2^78874052 is an apocalyptic number.

It is an amenable number.

78874052 is a deficient number, since it is larger than the sum of its proper divisors (60210124).

78874052 is a wasteful number, since it uses less digits than its factorization.

78874052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150658 (or 150656 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 78874052 is about 8881.1064625980. The cubic root of 78874052 is about 428.8558949307.

The spelling of 78874052 in words is "seventy-eight million, eight hundred seventy-four thousand, fifty-two".