85738157461 has 4 divisors (see below), whose sum is σ = 93532535424. Its totient is φ = 77943779500.

The previous prime is 85738157447. The next prime is 85738157473. The reversal of 85738157461 is 16475183758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85738157461 - 2¹³ = 85738149269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85738157441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3897188965 + ... + 3897188986.

It is an arithmetic number, because the mean of its divisors is an integer number (23383133856).

Almost surely, 2^85738157461 is an apocalyptic number.

It is an amenable number.

85738157461 is a deficient number, since it is larger than the sum of its proper divisors (7794377963).

85738157461 is a wasteful number, since it uses less digits than its factorization.

85738157461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7794377962.

The product of its digits is 5644800, while the sum is 55.

The spelling of 85738157461 in words is "eighty-five billion, seven hundred thirty-eight million, one hundred fifty-seven thousand, four hundred sixty-one".