771961476 has 96 divisors (see below), whose sum is σ = 2123856000. Its totient is φ = 215147520.

The previous prime is 771961447. The next prime is 771961481. The reversal of 771961476 is 674169177.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 598240 + ... + 599528.

It is an arithmetic number, because the mean of its divisors is an integer number (22123500).

Almost surely, 2^771961476 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 771961476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061928000).

771961476 is an abundant number, since it is smaller than the sum of its proper divisors (1351894524).

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

771961476 is a wasteful number, since it uses less digits than its factorization.

771961476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1667 counting only the distinct ones).

The product of its digits is 444528, while the sum is 48.

The square root of 771961476 is about 27784.1947157012. The cubic root of 771961476 is about 917.3432632251.

The spelling of 771961476 in words is "seven hundred seventy-one million, nine hundred sixty-one thousand, four hundred seventy-six".