612978762471 has 32 divisors (see below), whose sum is σ = 869116132800. Its totient is φ = 382956134400.

The previous prime is 612978762449. The next prime is 612978762481. The reversal of 612978762471 is 174267879216.

612978762471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612978762471 - 2⁷ = 612978762343 is a prime.

It is a super-3 number, since 3×612978762471³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612978762401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24695515 + ... + 24720323.

It is an arithmetic number, because the mean of its divisors is an integer number (27159879150).

Almost surely, 2^612978762471 is an apocalyptic number.

612978762471 is a deficient number, since it is larger than the sum of its proper divisors (256137370329).

612978762471 is a wasteful number, since it uses less digits than its factorization.

612978762471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26899.

The product of its digits is 14224896, while the sum is 60.

The spelling of 612978762471 in words is "six hundred twelve billion, nine hundred seventy-eight million, seven hundred sixty-two thousand, four hundred seventy-one".