78301540632 has 64 divisors (see below), whose sum is σ = 223925022720. Its totient is φ = 22351235328.

The previous prime is 78301540621. The next prime is 78301540693. The reversal of 78301540632 is 23604510387.

It is a super-2 number, since 2×78301540632² (a number of 23 digits) contains 22 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, 31773 + ... + 397004.

It is an arithmetic number, because the mean of its divisors is an integer number (3498828480).

Almost surely, 2^78301540632 is an apocalyptic number.

It is an amenable number.

78301540632 is an abundant number, since it is smaller than the sum of its proper divisors (145623482088).

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

78301540632 is a wasteful number, since it uses less digits than its factorization.

78301540632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429880 (or 429876 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 78301540632 in words is "seventy-eight billion, three hundred one million, five hundred forty thousand, six hundred thirty-two".