78298249804 has 48 divisors (see below), whose sum is σ = 148113100800. Its totient is φ = 36102096576.

The previous prime is 78298249789. The next prime is 78298249829. The reversal of 78298249804 is 40894289287.

It is a super-2 number, since 2×78298249804² (a number of 23 digits) contains 22 as substring.

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, 435027 + ... + 588085.

It is an arithmetic number, because the mean of its divisors is an integer number (3085689600).

Almost surely, 2^78298249804 is an apocalyptic number.

It is an amenable number.

78298249804 is a deficient number, since it is larger than the sum of its proper divisors (69814850996).

78298249804 is a wasteful number, since it uses less digits than its factorization.

78298249804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153262 (or 153260 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 78298249804 in words is "seventy-eight billion, two hundred ninety-eight million, two hundred forty-nine thousand, eight hundred four".