78822054264 has 64 divisors (see below), whose sum is σ = 203029460640. Its totient is φ = 25489244160.

The previous prime is 78822054253. The next prime is 78822054281. The reversal of 78822054264 is 46245022887.

It is a super-3 number, since 3×78822054264³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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, 261897 + ... + 475640.

Almost surely, 2^78822054264 is an apocalyptic number.

It is an amenable number.

78822054264 is an abundant number, since it is smaller than the sum of its proper divisors (124207406376).

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

78822054264 is a wasteful number, since it uses less digits than its factorization.

78822054264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737680 (or 737676 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 78822054264 in words is "seventy-eight billion, eight hundred twenty-two million, fifty-four thousand, two hundred sixty-four".