157904193470 has 8 divisors (see below), whose sum is σ = 284227548264. Its totient is φ = 63161677384.

The previous prime is 157904193467. The next prime is 157904193487. The reversal of 157904193470 is 74391409751.

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

It is a super-2 number, since 2×157904193470² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7895209664 + ... + 7895209683.

It is an arithmetic number, because the mean of its divisors is an integer number (35528443533).

Almost surely, 2^157904193470 is an apocalyptic number.

157904193470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157904193470 is a deficient number, since it is larger than the sum of its proper divisors (126323354794).

157904193470 is a wasteful number, since it uses less digits than its factorization.

157904193470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15790419354.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 157904193470 in words is "one hundred fifty-seven billion, nine hundred four million, one hundred ninety-three thousand, four hundred seventy".