77047371 has 12 divisors (see below), whose sum is σ = 111389200. Its totient is φ = 51319440.

The previous prime is 77047363. The next prime is 77047381. The reversal of 77047371 is 17374077.

It is not a de Polignac number, because 77047371 - 2³ = 77047363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77047351) 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, 9330 + ... + 15528.

Almost surely, 2^77047371 is an apocalyptic number.

77047371 is a deficient number, since it is larger than the sum of its proper divisors (34341829).

77047371 is a wasteful number, since it uses less digits than its factorization.

77047371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7586 (or 7583 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 36.

The square root of 77047371 is about 8777.6631856093. The cubic root of 77047371 is about 425.5193116716.

The spelling of 77047371 in words is "seventy-seven million, forty-seven thousand, three hundred seventy-one".