76877668 has 18 divisors (see below), whose sum is σ = 156501366. Its totient is φ = 32947488.

The previous prime is 76877659. The next prime is 76877677. The reversal of 76877668 is 86677867.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (76877659) and next prime (76877677).

It can be written as a sum of positive squares in only one way, i.e., 73410624 + 3467044 = 8568^2 + 1862^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195921 + ... + 196312.

Almost surely, 2^76877668 is an apocalyptic number.

It is an amenable number.

76877668 is an abundant number, since it is smaller than the sum of its proper divisors (79623698).

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

76877668 is a wasteful number, since it uses less digits than its factorization.

76877668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392251 (or 392242 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 55.

The square root of 76877668 is about 8767.9911040101. The cubic root of 76877668 is about 425.2066685739.

The spelling of 76877668 in words is "seventy-six million, eight hundred seventy-seven thousand, six hundred sixty-eight".