76986890 has 16 divisors (see below), whose sum is σ = 138676320. Its totient is φ = 30772560.

The previous prime is 76986883. The next prime is 76986901. The reversal of 76986890 is 9868967.

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, 25901 + ... + 28719.

It is an arithmetic number, because the mean of its divisors is an integer number (8667270).

Almost surely, 2^76986890 is an apocalyptic number.

76986890 is a deficient number, since it is larger than the sum of its proper divisors (61689430).

76986890 is a wasteful number, since it uses less digits than its factorization.

76986890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 76986890 is about 8774.2173440142. The cubic root of 76986890 is about 425.4079404889.

The spelling of 76986890 in words is "seventy-six million, nine hundred eighty-six thousand, eight hundred ninety".