97077213 has 24 divisors (see below), whose sum is σ = 152372480. Its totient is φ = 59330880.

The previous prime is 97077209. The next prime is 97077221. The reversal of 97077213 is 31277079.

It is not a de Polignac number, because 97077213 - 2² = 97077209 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97077203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3856 + ... + 14457.

Almost surely, 2^97077213 is an apocalyptic number.

97077213 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

97077213 is a deficient number, since it is larger than the sum of its proper divisors (55295267).

97077213 is a wasteful number, since it uses less digits than its factorization.

97077213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18369 (or 18366 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 97077213 is about 9852.7769182094. The cubic root of 97077213 is about 459.5919711959.

The spelling of 97077213 in words is "ninety-seven million, seventy-seven thousand, two hundred thirteen".