15472492977 has 8 divisors (see below), whose sum is σ = 20937901216. Its totient is φ = 10161040032.

The previous prime is 15472492969. The next prime is 15472493009. The reversal of 15472492977 is 77929427451.

15472492977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15472492977 - 2³ = 15472492969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15472492907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38488588 + ... + 38488989.

It is an arithmetic number, because the mean of its divisors is an integer number (2617237652).

Almost surely, 2^15472492977 is an apocalyptic number.

It is an amenable number.

15472492977 is a deficient number, since it is larger than the sum of its proper divisors (5465408239).

15472492977 is an equidigital number, since it uses as much as digits as its factorization.

15472492977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76977647.

The product of its digits is 8890560, while the sum is 57.

The spelling of 15472492977 in words is "fifteen billion, four hundred seventy-two million, four hundred ninety-two thousand, nine hundred seventy-seven".