77084994 has 48 divisors (see below), whose sum is σ = 178949952. Its totient is φ = 21684384.

The previous prime is 77084993. The next prime is 77084999. The reversal of 77084994 is 49948077.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (77084993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445492 + ... + 445664.

It is an arithmetic number, because the mean of its divisors is an integer number (3728124).

Almost surely, 2^77084994 is an apocalyptic number.

77084994 is an abundant number, since it is smaller than the sum of its proper divisors (101864958).

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

77084994 is a wasteful number, since it uses less digits than its factorization.

77084994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 77084994 is about 8779.8060343039. The cubic root of 77084994 is about 425.5885621761.

The spelling of 77084994 in words is "seventy-seven million, eighty-four thousand, nine hundred ninety-four".