76487157 has 6 divisors (see below), whose sum is σ = 110481462. Its totient is φ = 50991432.

The previous prime is 76487083. The next prime is 76487171. The reversal of 76487157 is 75178467.

It can be written as a sum of positive squares in only one way, i.e., 65950641 + 10536516 = 8121^2 + 3246^2 .

It is not a de Polignac number, because 76487157 - 2¹² = 76483061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76487197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4249278 + ... + 4249295.

It is an arithmetic number, because the mean of its divisors is an integer number (18413577).

Almost surely, 2^76487157 is an apocalyptic number.

It is an amenable number.

76487157 is a deficient number, since it is larger than the sum of its proper divisors (33994305).

76487157 is a wasteful number, since it uses less digits than its factorization.

76487157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8498579 (or 8498576 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 76487157 is about 8745.6936260082. The cubic root of 76487157 is about 424.4854802394.

The spelling of 76487157 in words is "seventy-six million, four hundred eighty-seven thousand, one hundred fifty-seven".