77113321698 has 32 divisors (see below), whose sum is σ = 176370518016. Its totient is φ = 22018440528.

The previous prime is 77113321697. The next prime is 77113321723. The reversal of 77113321698 is 89612331177.

It is not an unprimeable number, because it can be changed into a prime (77113321697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513436 + ... + 646407.

It is an arithmetic number, because the mean of its divisors is an integer number (5511578688).

Almost surely, 2^77113321698 is an apocalyptic number.

77113321698 is an abundant number, since it is smaller than the sum of its proper divisors (99257196318).

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

77113321698 is a wasteful number, since it uses less digits than its factorization.

77113321698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161438.

The product of its digits is 381024, while the sum is 48.

The spelling of 77113321698 in words is "seventy-seven billion, one hundred thirteen million, three hundred twenty-one thousand, six hundred ninety-eight".