76977670 has 32 divisors (see below), whose sum is σ = 172751616. Its totient is φ = 23992800.

The previous prime is 76977661. The next prime is 76977673. The reversal of 76977670 is 7677967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76977673) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 49216 + ... + 50755.

It is an arithmetic number, because the mean of its divisors is an integer number (5398488).

Almost surely, 2^76977670 is an apocalyptic number.

76977670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76977670 is an abundant number, since it is smaller than the sum of its proper divisors (95773946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76977670 is a wasteful number, since it uses less digits than its factorization.

76977670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99996.

The product of its (nonzero) digits is 777924, while the sum is 49.

The square root of 76977670 is about 8773.6919252958. The cubic root of 76977670 is about 425.3909574337.

The spelling of 76977670 in words is "seventy-six million, nine hundred seventy-seven thousand, six hundred seventy".