77876953 has 16 divisors (see below), whose sum is σ = 102205440. Its totient is φ = 57488400.

The previous prime is 77876951. The next prime is 77876957. The reversal of 77876953 is 35967877.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 77876953 - 2¹ = 77876951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77876953.

It is not an unprimeable number, because it can be changed into a prime (77876951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25153 + ... + 28078.

It is an arithmetic number, because the mean of its divisors is an integer number (6387840).

Almost surely, 2^77876953 is an apocalyptic number.

It is an amenable number.

77876953 is a deficient number, since it is larger than the sum of its proper divisors (24328487).

77876953 is a wasteful number, since it uses less digits than its factorization.

77876953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53268.

The product of its digits is 2222640, while the sum is 52.

The square root of 77876953 is about 8824.7919522219. The cubic root of 77876953 is about 427.0410756355.

The spelling of 77876953 in words is "seventy-seven million, eight hundred seventy-six thousand, nine hundred fifty-three".