77448296 has 16 divisors (see below), whose sum is σ = 146966400. Its totient is φ = 38257264.

The previous prime is 77448281. The next prime is 77448307. The reversal of 77448296 is 69284477.

It is a self number, because there is not a number n which added to its sum of digits gives 77448296.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57656 + ... + 58983.

It is an arithmetic number, because the mean of its divisors is an integer number (9185400).

Almost surely, 2^77448296 is an apocalyptic number.

It is an amenable number.

77448296 is a deficient number, since it is larger than the sum of its proper divisors (69518104).

77448296 is a wasteful number, since it uses less digits than its factorization.

77448296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116728 (or 116724 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 77448296 is about 8800.4713510130. The cubic root of 77448296 is about 426.2561149554.

The spelling of 77448296 in words is "seventy-seven million, four hundred forty-eight thousand, two hundred ninety-six".