86902461 has 6 divisors (see below), whose sum is σ = 125525790. Its totient is φ = 57934968.

The previous prime is 86902433. The next prime is 86902469. The reversal of 86902461 is 16420968.

It can be written as a sum of positive squares in only one way, i.e., 63920025 + 22982436 = 7995^2 + 4794^2 .

It is not a de Polignac number, because 86902461 - 2¹⁴ = 86886077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86902469) 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, 4827906 + ... + 4827923.

It is an arithmetic number, because the mean of its divisors is an integer number (20920965).

Almost surely, 2^86902461 is an apocalyptic number.

It is an amenable number.

86902461 is a deficient number, since it is larger than the sum of its proper divisors (38623329).

86902461 is a wasteful number, since it uses less digits than its factorization.

86902461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655835 (or 9655832 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 86902461 is about 9322.1489475335. The cubic root of 86902461 is about 442.9391063942.

The spelling of 86902461 in words is "eighty-six million, nine hundred two thousand, four hundred sixty-one".