97677090 has 240 divisors, whose sum is σ = 321786432. Its totient is φ = 21155904.

The previous prime is 97677031. The next prime is 97677109. The reversal of 97677090 is 9077679.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 912817 + ... + 912923.

Almost surely, 2^97677090 is an apocalyptic number.

97677090 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 97677090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160893216).

97677090 is an abundant number, since it is smaller than the sum of its proper divisors (224109342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97677090 is a wasteful number, since it uses less digits than its factorization.

97677090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 97677090 is about 9883.1720616409. The cubic root of 97677090 is about 460.5366924258.

The spelling of 97677090 in words is "ninety-seven million, six hundred seventy-seven thousand, ninety".