77046419232 has 72 divisors (see below), whose sum is σ = 219138811164. Its totient is φ = 25677679104.

The previous prime is 77046419231. The next prime is 77046419249. The reversal of 77046419232 is 23291464077.

77046419232 is a `hidden beast` number, since 7 + 70 + 464 + 1 + 92 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50070327696 + 26976091536 = 223764^2 + 164244^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (77046419231) 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, 1919238 + ... + 1958970.

Almost surely, 2^77046419232 is an apocalyptic number.

77046419232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

77046419232 is an abundant number, since it is smaller than the sum of its proper divisors (142092391932).

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

77046419232 is a wasteful number, since it uses less digits than its factorization.

77046419232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46482 (or 46471 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 77046419232 in words is "seventy-seven billion, forty-six million, four hundred nineteen thousand, two hundred thirty-two".