77120675 has 12 divisors (see below), whose sum is σ = 96321960. Its totient is φ = 61249920.

The previous prime is 77120663. The next prime is 77120699. The reversal of 77120675 is 57602177.

It is not a de Polignac number, because 77120675 - 2⁸ = 77120419 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7622 + ... + 14571.

It is an arithmetic number, because the mean of its divisors is an integer number (8026830).

Almost surely, 2^77120675 is an apocalyptic number.

77120675 is a deficient number, since it is larger than the sum of its proper divisors (19201285).

77120675 is a wasteful number, since it uses less digits than its factorization.

77120675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22342 (or 22337 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 77120675 is about 8781.8377917154. The cubic root of 77120675 is about 425.6542173372.

The spelling of 77120675 in words is "seventy-seven million, one hundred twenty thousand, six hundred seventy-five".