77006090 has 64 divisors (see below), whose sum is σ = 169185024. Its totient is φ = 24634368.

The previous prime is 77006087. The next prime is 77006099. The reversal of 77006090 is 9060077.

It is not an unprimeable number, because it can be changed into a prime (77006099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193772 + ... + 194168.

It is an arithmetic number, because the mean of its divisors is an integer number (2643516).

Almost surely, 2^77006090 is an apocalyptic number.

77006090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77006090 is an abundant number, since it is smaller than the sum of its proper divisors (92178934).

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

77006090 is a wasteful number, since it uses less digits than its factorization.

77006090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 77006090 is about 8775.3113904864. The cubic root of 77006090 is about 425.4433021526.

The spelling of 77006090 in words is "seventy-seven million, six thousand, ninety".