777086464 has 160 divisors (see below), whose sum is σ = 2022299136. Its totient is φ = 289259520.

The previous prime is 777086461. The next prime is 777086561. The reversal of 777086464 is 464680777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (777086461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906324 + ... + 907180.

Almost surely, 2^777086464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 777086464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011149568).

777086464 is an abundant number, since it is smaller than the sum of its proper divisors (1245212672).

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

777086464 is a wasteful number, since it uses less digits than its factorization.

777086464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 49.

The square root of 777086464 is about 27876.2706257491. The cubic root of 777086464 is about 919.3688424615.

The spelling of 777086464 in words is "seven hundred seventy-seven million, eighty-six thousand, four hundred sixty-four".