77631052 has 6 divisors (see below), whose sum is σ = 135854348. Its totient is φ = 38815524.

The previous prime is 77631041. The next prime is 77631053. The reversal of 77631052 is 25013677.

It is not an unprimeable number, because it can be changed into a prime (77631053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9703878 + ... + 9703885.

Almost surely, 2^77631052 is an apocalyptic number.

It is an amenable number.

77631052 is a deficient number, since it is larger than the sum of its proper divisors (58223296).

77631052 is a wasteful number, since it uses less digits than its factorization.

77631052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19407767 (or 19407765 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 77631052 is about 8810.8485402939. The cubic root of 77631052 is about 426.5911327334.

The spelling of 77631052 in words is "seventy-seven million, six hundred thirty-one thousand, fifty-two".