78370466552 has 32 divisors (see below), whose sum is σ = 170443240320. Its totient is φ = 33086037600.

The previous prime is 78370466539. The next prime is 78370466557. The reversal of 78370466552 is 25566407387.

It is a happy number.

It is a super-2 number, since 2×78370466552² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78370466494 and 78370466503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78370466557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10440074 + ... + 10447577.

It is an arithmetic number, because the mean of its divisors is an integer number (5326351260).

Almost surely, 2^78370466552 is an apocalyptic number.

It is an amenable number.

78370466552 is an abundant number, since it is smaller than the sum of its proper divisors (92072773768).

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

78370466552 is a wasteful number, since it uses less digits than its factorization.

78370466552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20887731 (or 20887727 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 78370466552 in words is "seventy-eight billion, three hundred seventy million, four hundred sixty-six thousand, five hundred fifty-two".