773121767377420 has 48 divisors (see below), whose sum is σ = 1663352947575648. Its totient is φ = 301670079818240.

The previous prime is 773121767377409. The next prime is 773121767377457. The reversal of 773121767377420 is 24773767121377.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49330567 + ... + 63085246.

It is an arithmetic number, because the mean of its divisors is an integer number (34653186407826).

Almost surely, 2^{773121767377420} is an apocalyptic number.

It is an amenable number.

773121767377420 is an abundant number, since it is smaller than the sum of its proper divisors (890231180198228).

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

773121767377420 is a wasteful number, since it uses less digits than its factorization.

773121767377420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112424250 (or 112424248 counting only the distinct ones).

The product of its (nonzero) digits is 101648736, while the sum is 64.

The spelling of 773121767377420 in words is "seven hundred seventy-three trillion, one hundred twenty-one billion, seven hundred sixty-seven million, three hundred seventy-seven thousand, four hundred twenty".