78356237050 has 96 divisors (see below), whose sum is σ = 185162148864. Its totient is φ = 23998464000.

The previous prime is 78356237041. The next prime is 78356237087. The reversal of 78356237050 is 5073265387.

It is a super-2 number, since 2×78356237050² (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 47 ways as a sum of consecutive naturals, for example, 136711 + ... + 418810.

It is an arithmetic number, because the mean of its divisors is an integer number (1928772384).

Almost surely, 2^78356237050 is an apocalyptic number.

78356237050 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78356237050 is an abundant number, since it is smaller than the sum of its proper divisors (106805911814).

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

78356237050 is a wasteful number, since it uses less digits than its factorization.

78356237050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555584 (or 555579 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 78356237050 in words is "seventy-eight billion, three hundred fifty-six million, two hundred thirty-seven thousand, fifty".