157247696 has 10 divisors (see below), whose sum is σ = 304667442. Its totient is φ = 78623840.

The previous prime is 157247693. The next prime is 157247737. The reversal of 157247696 is 696742751.

157247696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 83905600 + 73342096 = 9160^2 + 8564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157247696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157247693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4913975 + ... + 4914006.

Almost surely, 2^157247696 is an apocalyptic number.

157247696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157247696 is a deficient number, since it is larger than the sum of its proper divisors (147419746).

157247696 is an equidigital number, since it uses as much as digits as its factorization.

157247696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9827989 (or 9827983 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 157247696 is about 12539.8443371519. The cubic root of 157247696 is about 539.7526256067.

The spelling of 157247696 in words is "one hundred fifty-seven million, two hundred forty-seven thousand, six hundred ninety-six".