157676690 has 8 divisors (see below), whose sum is σ = 283818060. Its totient is φ = 63070672.

The previous prime is 157676671. The next prime is 157676699. The reversal of 157676690 is 96676751.

It is a happy number.

157676690 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 2 ways, for example, as 147646801 + 10029889 = 12151^2 + 3167^2 .

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

It is a super-2 number, since 2×157676690² = 49723877138712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157676699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7883825 + ... + 7883844.

Almost surely, 2^157676690 is an apocalyptic number.

157676690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157676690 is a deficient number, since it is larger than the sum of its proper divisors (126141370).

157676690 is a wasteful number, since it uses less digits than its factorization.

157676690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15767676.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 157676690 is about 12556.9379229174. The cubic root of 157676690 is about 540.2430204734.

The spelling of 157676690 in words is "one hundred fifty-seven million, six hundred seventy-six thousand, six hundred ninety".