776245452 has 12 divisors (see below), whose sum is σ = 1811239416. Its totient is φ = 258748480.

The previous prime is 776245447. The next prime is 776245489. The reversal of 776245452 is 254542677.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 32343549 + ... + 32343572.

It is an arithmetic number, because the mean of its divisors is an integer number (150936618).

Almost surely, 2^776245452 is an apocalyptic number.

It is an amenable number.

776245452 is an abundant number, since it is smaller than the sum of its proper divisors (1034993964).

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

776245452 is a wasteful number, since it uses less digits than its factorization.

776245452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64687128 (or 64687126 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

The square root of 776245452 is about 27861.1818126942. The cubic root of 776245452 is about 919.0370564171.

The spelling of 776245452 in words is "seven hundred seventy-six million, two hundred forty-five thousand, four hundred fifty-two".