77948932292 has 36 divisors (see below), whose sum is σ = 171358817280. Its totient is φ = 30369712560.

The previous prime is 77948932261. The next prime is 77948932301. The reversal of 77948932292 is 29223984977.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11500292 + ... + 11507067.

Almost surely, 2^77948932292 is an apocalyptic number.

It is an amenable number.

77948932292 is an abundant number, since it is smaller than the sum of its proper divisors (93409884988).

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

77948932292 is a wasteful number, since it uses less digits than its factorization.

77948932292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23007392 (or 23007379 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 62.

The spelling of 77948932292 in words is "seventy-seven billion, nine hundred forty-eight million, nine hundred thirty-two thousand, two hundred ninety-two".