780501113406 has 48 divisors (see below), whose sum is σ = 1969134901344. Its totient is φ = 218792763072.

The previous prime is 780501113389. The next prime is 780501113423. The reversal of 780501113406 is 604311105087.

It is an interprime number because it is at equal distance from previous prime (780501113389) and next prime (780501113423).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58431561 + ... + 58444916.

It is an arithmetic number, because the mean of its divisors is an integer number (41023643778).

Almost surely, 2^780501113406 is an apocalyptic number.

780501113406 is an abundant number, since it is smaller than the sum of its proper divisors (1188633787938).

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

780501113406 is a wasteful number, since it uses less digits than its factorization.

780501113406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116876545 (or 116876542 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 780501113406 in words is "seven hundred eighty billion, five hundred one million, one hundred thirteen thousand, four hundred six".