77160490 has 48 divisors (see below), whose sum is σ = 156318624. Its totient is φ = 27387360.

The previous prime is 77160449. The next prime is 77160491. The reversal of 77160490 is 9406177.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (77160491) 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, 51289 + ... + 52771.

It is an arithmetic number, because the mean of its divisors is an integer number (3256638).

Almost surely, 2^77160490 is an apocalyptic number.

77160490 is an abundant number, since it is smaller than the sum of its proper divisors (79158134).

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

77160490 is a wasteful number, since it uses less digits than its factorization.

77160490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 77160490 is about 8784.1043937330. The cubic root of 77160490 is about 425.7274554022.

The spelling of 77160490 in words is "seventy-seven million, one hundred sixty thousand, four hundred ninety".