77151509082 has 24 divisors (see below), whose sum is σ = 169175601504. Its totient is φ = 25407323784.

The previous prime is 77151509059. The next prime is 77151509089. The reversal of 77151509082 is 28090515177.

It is not an unprimeable number, because it can be changed into a prime (77151509089) 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, 25818958 + ... + 25821945.

It is an arithmetic number, because the mean of its divisors is an integer number (7048983396).

Almost surely, 2^77151509082 is an apocalyptic number.

77151509082 is an abundant number, since it is smaller than the sum of its proper divisors (92024092422).

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

77151509082 is a wasteful number, since it uses less digits than its factorization.

77151509082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51640994 (or 51640991 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The spelling of 77151509082 in words is "seventy-seven billion, one hundred fifty-one million, five hundred nine thousand, eighty-two".