779970741020 has 12 divisors (see below), whose sum is σ = 1637938556184. Its totient is φ = 311988296400.

The previous prime is 779970740933. The next prime is 779970741023. The reversal of 779970741020 is 20147079977.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779970741023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19499268506 + ... + 19499268545.

It is an arithmetic number, because the mean of its divisors is an integer number (136494879682).

Almost surely, 2^779970741020 is an apocalyptic number.

It is an amenable number.

779970741020 is an abundant number, since it is smaller than the sum of its proper divisors (857967815164).

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

779970741020 is a wasteful number, since it uses less digits than its factorization.

779970741020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38998537060 (or 38998537058 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 53.

The spelling of 779970741020 in words is "seven hundred seventy-nine billion, nine hundred seventy million, seven hundred forty-one thousand, twenty".