77470133252 has 24 divisors (see below), whose sum is σ = 135860236512. Its totient is φ = 38652984000.

The previous prime is 77470133243. The next prime is 77470133261. The reversal of 77470133252 is 25233107477.

It is an interprime number because it is at equal distance from previous prime (77470133243) and next prime (77470133261).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6443927 + ... + 6455937.

It is an arithmetic number, because the mean of its divisors is an integer number (5660843188).

Almost surely, 2^77470133252 is an apocalyptic number.

It is an amenable number.

77470133252 is a deficient number, since it is larger than the sum of its proper divisors (58390103260).

77470133252 is a wasteful number, since it uses less digits than its factorization.

77470133252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15299 (or 15297 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 41.

The spelling of 77470133252 in words is "seventy-seven billion, four hundred seventy million, one hundred thirty-three thousand, two hundred fifty-two".