90761057 has 8 divisors (see below), whose sum is σ = 93256800. Its totient is φ = 88297344.

The previous prime is 90761051. The next prime is 90761063. The reversal of 90761057 is 75016709.

It is an interprime number because it is at equal distance from previous prime (90761051) and next prime (90761063).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90761057 - 2⁸ = 90760801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90761051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 13652.

It is an arithmetic number, because the mean of its divisors is an integer number (11657100).

Almost surely, 2^90761057 is an apocalyptic number.

90761057 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

It is an amenable number.

90761057 is a deficient number, since it is larger than the sum of its proper divisors (2495743).

90761057 is a wasteful number, since it uses less digits than its factorization.

90761057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16015.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 90761057 is about 9526.8597659460. The cubic root of 90761057 is about 449.4001175412.

The spelling of 90761057 in words is "ninety million, seven hundred sixty-one thousand, fifty-seven".