77936507150 has 24 divisors (see below), whose sum is σ = 147125520120. Its totient is φ = 30709308960.

The previous prime is 77936507149. The next prime is 77936507153. The reversal of 77936507150 is 5170563977.

It is a super-2 number, since 2×77936507150² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77936507153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11628965 + ... + 11635664.

It is an arithmetic number, because the mean of its divisors is an integer number (6130230005).

Almost surely, 2^77936507150 is an apocalyptic number.

77936507150 is a deficient number, since it is larger than the sum of its proper divisors (69189012970).

77936507150 is a wasteful number, since it uses less digits than its factorization.

77936507150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23264708 (or 23264703 counting only the distinct ones).

The product of its (nonzero) digits is 1389150, while the sum is 50.

The spelling of 77936507150 in words is "seventy-seven billion, nine hundred thirty-six million, five hundred seven thousand, one hundred fifty".