87976737 has 6 divisors (see below), whose sum is σ = 127077522. Its totient is φ = 58651152.

The previous prime is 87976727. The next prime is 87976741. The reversal of 87976737 is 73767978.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82737216 + 5239521 = 9096^2 + 2289^2 .

It is not a de Polignac number, because 87976737 - 2⁶ = 87976673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87976727) 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, 4887588 + ... + 4887605.

It is an arithmetic number, because the mean of its divisors is an integer number (21179587).

Almost surely, 2^87976737 is an apocalyptic number.

It is an amenable number.

87976737 is a deficient number, since it is larger than the sum of its proper divisors (39100785).

87976737 is a wasteful number, since it uses less digits than its factorization.

87976737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775199 (or 9775196 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 54.

The square root of 87976737 is about 9379.5915156258. The cubic root of 87976737 is about 444.7568203802.

The spelling of 87976737 in words is "eighty-seven million, nine hundred seventy-six thousand, seven hundred thirty-seven".