720879641136 has 100 divisors (see below), whose sum is σ = 2196247259800. Its totient is φ = 227646194688.

The previous prime is 720879641077. The next prime is 720879641149. The reversal of 720879641136 is 631146978027.

720879641136 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14613121 + ... + 14662368.

It is an arithmetic number, because the mean of its divisors is an integer number (21962472598).

Almost surely, 2^720879641136 is an apocalyptic number.

720879641136 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

720879641136 is an abundant number, since it is smaller than the sum of its proper divisors (1475367618664).

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

720879641136 is a wasteful number, since it uses less digits than its factorization.

720879641136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29275528 (or 29275513 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 720879641136 in words is "seven hundred twenty billion, eight hundred seventy-nine million, six hundred forty-one thousand, one hundred thirty-six".